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is there a way to do this problem in table/matrix format? In [#permalink]
05 Nov 2007, 08:00

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is there a way to do this problem in table/matrix format?

In a certain office, 50 percent of the employees are college graduates and 60 percent of the employees are over 40 years old. If 30 percent of those over 40 have master's degrees, how many of the employees over 40 have master's degrees?

(1) Exactly 100 of the employees are college graduates

(2) Of the employees forty years old of less, 25 percent have master's degrees

In a certain office, 50 percent of the employees are college graduates and 60 percent of the employees are over 40 years old. If 30 percent of those over 40 have master's degrees, how many of the employees over 40 have master's degrees?

(1) Exactly 100 of the employees are college graduates

(2) Of the employees forty years old of less, 25 percent have master's degrees

We dont need to do the double set matrix for this problem. it tests your knowledge of whether we can derive a hard number from the ratios (only if we are given another hard number or total) _________________

You tried your best and you failed miserably. The lesson is 'never try'. -Homer Simpson

In a certain office, 50 percent of the employees are college graduates and 60 percent of the employees are over 40 years old. If 30 percent of those over 40 have master's degrees, how many of the employees over 40 have master's degrees?

(1) Exactly 100 of the employees are college graduates

(2) Of the employees forty years old of less, 25 percent have master's degrees

50% have college degrees and 60% are 40+. 3/10*6/10 --> 18/100 have masters degrees and are over 40.